Surveying
With the rise of temperature, the sensitivity of a bubble tube

decreases
None of these
increases
remains unaffected

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Surveying
Spring tides are caused when

Solar tidal force and lunar tidal force both coincide
Solar tidal force acts opposite to lunar tidal force
None of these
Sun and moon are in line with earth

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Surveying
The First Point of Aeries

All listed here
Is the point in the celestial sphere where zero meridian crosses the celestial equator
Is usually denoted by the Greek letter ?
Is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda

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